Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Lingyu DENG"'
Publikováno v:
Remote Sensing, Vol 16, Iss 22, p 4151 (2024)
To enhance the anti-interference capabilities and increase flexibility in frequency allocation between the lower and upper sidebands of the navigation signal, we introduce frequency-hopping binary offset carrier modulation with independent frequency-
Externí odkaz:
https://doaj.org/article/1769d41d7f404d7e9e0bdc2c4b1b383a
Publikováno v:
Remote Sensing, Vol 16, Iss 21, p 4016 (2024)
Multicarrier navigation modulation is a trend within next-generation global navigation satellite systems (GNSS) aiming to enhance navigation performance, but it forces amplifiers to work in nonsaturation zones, resulting in low power efficiency. This
Externí odkaz:
https://doaj.org/article/14991863066a4eb9bb7b10f2df58b458
Publikováno v:
Aerospace, Vol 10, Iss 5, p 411 (2023)
Challenging environments such as cities, canyons, and forests have become key factors affecting navigation stability. When users pass through intricate overpasses and winding road sections, due to the fluctuation of the geoid, there will be a large f
Externí odkaz:
https://doaj.org/article/a1c07d2d13804684b5b8d29b54da7245
Publikováno v:
Applied Sciences, Vol 12, Iss 19, p 9486 (2022)
This paper proposes a new navigation modulation based on orthogonal frequency division multiplexing (OFDM). We derived the autocorrelation function and power spectral density of the OFDM modulation. The influence of the cyclic prefix and zero-padding
Externí odkaz:
https://doaj.org/article/6c64d31d8e4a4f2494d4025d3b543546
Publikováno v:
Remote Sensing, Vol 14, Iss 16, p 3871 (2022)
Frequency-hopping binary offset carrier modulation improves the anti-interference performance and mitigates the autocorrelation function (ACF) ambiguity problem of binary offset carrier modulation. To save payload resources and make high-power amplif
Externí odkaz:
https://doaj.org/article/6f61908b2e2e4bf2bb7a1508d1f87c05
Publikováno v:
Mathematics, Vol 10, Iss 10, p 1627 (2022)
In view of the problem that the leader-follower joint navigation scheme relies too much on the absolute navigation and positioning accuracy of the leader node, under the conditions of distributed network-centric warfare (NCW) and to meet the location
Externí odkaz:
https://doaj.org/article/bb01fabfb5744c039cf2702936fe0cde
Publikováno v:
Sensors, Vol 22, Iss 9, p 3213 (2022)
In order to solve the collaborative navigation problems in challenging environments such as insufficient visible satellites, obstacle reflections and multipath errors, and in order to improve the accuracy, usability, and stability of collaborative na
Externí odkaz:
https://doaj.org/article/39888e09d1c74b039dab93b02e3f12ae
Publikováno v:
Remote Sensing, Vol 13, Iss 4, p 703 (2021)
With the rapid development of satellite technology and the need to satisfy the increasing demand for location-based services, in challenging environments such as indoors, forests, and canyons, there is an urgent need to improve the position accuracy
Externí odkaz:
https://doaj.org/article/e9e01d4ed932462fad7897fd2dd0515f
Autor:
Lingyu DENG1,2, Huizhen QIN1,2, Si LIN1,2, Jing LUO1,2, Anda WEI1,2, Fengfeng XIE1,2, Hua ZHU1,2
Publikováno v:
Agricultural Biotechnology (2164-4993). Aug2022, Vol. 11 Issue 4, p91-95. 5p.
Publikováno v:
Medicinal Plant. Jun2021, Vol. 12 Issue 3, p55-71. 6p.